Refer to the exhibit.
route-policy OSPFintolSIS if tag eq xxx then drop else set tag yyy endif end-policy
Based on the Cisco IOS XR route policy configuration, when redistributing OSPF routes into IS-IS, to which of the following does the "tag" value correspond?

A.	The tag value represents the OSPF metric.
B.	The tag value represents the IS-IS metric.
C.	The tag value identifies a route or set of routes.
D.	The tag value is used to match whether the IS-IS route is an external or internal IS-IS route.
E.	The tag value represents the administrative distance.